Fluid Categories for Enduramaxx Tanks

Wholesome water supplied by a water undertaker and complying with the requirements of regulations made under section 67 of the Water Industry Act 1991.

Water in fluid category 1 whose aesthetic quality is impaired owing to

• a change in its temperature, or
• the presence of substances or organisms causing a change in its taste, odour or appearance,  including water in a hot water distribution system.

Fluid which represents a slight health hazard because of the concentration of substances of low toxicity, including any fluid which contains

•  ethylene glycol, copper sulphate solution or similar chemical additives, or
• sodium hypochlorite (chloros and common disinfectants).

Fluid which represents a significant health hazard because of the concentration of toxic substances, including any fluid which contains

• chemical, carcinogenic substances or pesticides (including insecticides and herbicides), or
• environmental organisms of potential health significance.

Fluid representing a serious health hazard because of the concentration of pathogenic organisms, radioactive or very toxic substances, including any fluid which contains:

• faecal material or other human waste
• butchery or other animal waste
• pathogens from any other source.